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How does not completing a course of antibiotics lead to increased immunity within a population of bacteria?

As you take the antibiotics, it begins to kill bacteria causing infection within your body, however not all bacteria are created equal, and some are more resilient to the antibiotics than others. Naturally, ...
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Answered by Rob I. • Biology tutor
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Example

Example
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Factorise 7x +14

7(x + 2)
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Answered by Ajay M. • Maths tutor
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Solve these 2 equations simultaneously: 7x+y=1 and 2x squared - y=3

7x+y=1 (1) -> y= 2x 2 - 3 (3) 7x + 2x 2 -3-1=0 -> (2x-1)(x+4)=0 so 2x-1=0 so 2x=1 so x=0.5 and x+4=0 so x=-4 7(0.5)+y=1 so y=1-3.5 so y=-2.5 and 7(-4) +y=1 so -28+y=1 so y= 29 Full answer: x=0.5 y=-2.5...
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Answered by Hannah V. • Maths tutor
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Simplify p^2×p^5

When you multiply two numbers that are the same with different exponents, the number can remain the same and the exponents are added. That is an exponents rule. This means that the answer is p^7
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Answered by Sama A. • Maths tutor
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